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NCJ Number: 209833 Add to Shopping cart Find in a Library
Title: Test Results for Software Write Block Tools: PDBLOCK Version 2.10
Corporate Author: National Institute of Standards and Technology (NIST)
United States of America
Date Published: June 2005
Page Count: 93
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
National Institute of Justice/NCJRS
Rockville, MD 20849
National Institute of Standards and Technology (NIST)
Gaithersburg, MD 20899-3460
Grant Number: 2003-IJ-R-029
Sale Source: National Institute of Justice/NCJRS
Box 6000
Rockville, MD 20849
United States of America
Document: PDF
Type: Test/Measurement
Format: Document
Language: English
Country: United States of America
Annotation: This report presents findings from testing the software write block tool PDBLOCK Version 2.10 against Software Write Block Tool Specification and Test Plan Version 3.0.
Abstract: The Software Write Block Tool Specification and Test Plan Version 3.0 requires that a top-level software write block tool not allow a protected drive to be changed, not prevent obtaining any information from or about any drive, and not prevent any operations to a drive that is not protected. For all test cases run, the PD Block Version 2.10, a product of Digital Intelligence, Inc., blocked all commands from the write category sent to a protected drive; however, the tool did not block some commands from the miscellaneous category that were either undefined (invalid) or outmoded and not routinely used by current software. The tool only blocked three commands in the miscellaneous category: command code 0x1A, 0x22, and 0xED. The unblocked commands in current BIOS implementations do not write to a hard drive, but in the future they could be defined so they would change the contents or accessibility of a protected drive; therefore, in the test specification, these commands are included in categories that should be blocked. For all test cases run, the tool always allowed commands to obtain information from any protected drive. The tool always allowed any command to access any unprotected drives for all test cases run; however, for some test cases run with five drives, the fifth drive was protected even though it was not so designated. Extensive data tables
Main Term(s): Computer software
Index Term(s): Computer aided investigations; Computer aided operations; Computer privacy and security; Computer related crime; NIJ grant-related documents
Note: NIJ Special Report; downloaded November 8, 2005.
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